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BRDUROBLA 3 Inch 4 Inch Draft Blocker Backdraft Damper Duct Draft Stopper — Open-Box, 13% Off
Brand: BRDUROBLA
Condition: Used - Mint
$1485
$1699
-13% Save $214
Updated: 21 days ago
Description
Pipe backdraft damper, butterfly valve. Especially suitable for inserting into exhaust hose or pvc. Perfect for use in bathrooms, attic, garages, air conditioners, fans, extractor hoods, ventilation systems.
This backdraft damper is a universal style, You can connect it with aluminum foil and pvc pipe for【80 or 100mm hose】or 【75 or 110mm PVC】. After purchasing the product, you will get a 5-year warranty and lifelong after-sales service.
The flap valve opens and closes automatically, allowing only one-directional airflow, preventing cold air from entering. The inner rubber seal is used for better tightness and for noise reduction.
The backdraft damper is installed by pushing it into the vent pipe as far as it will go. If the backdraft damper is installed horizontally, the spring position should be horizontal for optimum opening and closing. This also applies if installed vertical.
The backdraft damper is made of pvc. The valve blades are made of pvc. The shaft and spring are made of PVC.
The Backdraft Damper is very suitable for Conveying Exhaust Fans in Bathrooms or Hydroponics garages air conditioners, Direct Exhaust Fans or Range Hoods.
SPECIFICATION:
Material: Flame Retardant ABS
Color : White
Compatible Size: 75 mm/ 110 mm PVC or 80 mm/ 100 mm hose
Style: Modern
FEATURES:
1. Premium quality PVC material
2. With butterfly blades
3. Modern design
4. Smoke-proof sealing strip
5. Sealing silica gel edging
6. 19° Corner arc design
7. Rear spring design
8. Valve open and close automatically
9. Easy installation for exhausting
10. Buit-in duct adapter collar
11. Connect duct hose or exhaust pipe
12. Compatible with diameter
80 mm /100 mm hose or 75 mm / 110 mm PVC pipe
INSTALLATION INSTRUCTIONS:
>> The connector part between exhaust pipe and check valve can be sealed with aluminum foil tape
>> Built-in duct adapter collar, suitable for 75-110 mm ducting
WHAT YOU GET:
1 x Backdraft Damper
Warm Notice:
Please consult and pay attention to product size before buying.
Manual measurement, please allow slight errors on size.
SPECIFICATION:
Material: Flame Retardant ABS
Color : White
Compatible Size: 75 mm/ 110 mm PVC or 80 mm/ 100 mm hose
Style: Modern
FEATURES:
1. Premium quality PVC material
2. With butterfly blades
3. Modern design
4. Smoke-proof sealing strip
5. Sealing silica gel edging
6. 19° Corner arc design
7. Rear spring design
8. Valve open and close automatically
9. Easy installation for exhausting
10. Buit-in duct adapter collar
11. Connect duct hose or exhaust pipe
12. Compatible with diameter
80 mm /100 mm hose or 75 mm / 110 mm PVC pipe
INSTALLATION INSTRUCTIONS:
>> The connector part between exhaust pipe and check valve can be sealed with aluminum foil tape
>> Built-in duct adapter collar, suitable for 75-110 mm ducting
WHAT YOU GET:
1 x Backdraft Damper
Warm Notice:
Please consult and pay attention to product size before buying.
Manual measurement, please allow slight errors on size.
Sold by
Amazon Warehouse
Official Amazon outlet for open-box & returned items
- Backed by Amazon's A-to-Z Guarantee
- 30-day return policy
- Ships from Amazon fulfillment centers
- Price verified on Amazon
Product Details
- SKU:
- awhd-us-b0fltkj6b2
- Model:
- 2025930-uodgn
- Country:
- US
- ASIN:
- B0FLTKJ6B2
Shopping Smarter
Common questions about buying open-box and refurbished.
Why buy refurbished or open-box?
Refurbished and open-box products offer the same performance as new at a fraction of the price. You're already saving $2 on this listing. They've been inspected, tested, and are ready to use — the only difference is the price tag. Buying refurbished also reduces electronic waste, extending product life cycles and keeping functional devices out of landfills.
What's the difference between open-box and refurbished?
Open-box products are customer returns that have been inspected and confirmed functional. They may show little to no use — often the item was returned simply because the buyer changed their mind. Refurbished products have been professionally repaired or restored by technicians, tested to meet or exceed manufacturer specifications, and sometimes come with a warranty. Both are a smart alternative to buying new.
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